Run: 2026-09-02-01M1HGS00E08CJ2TEHRCND6XB7

Run Details

Duration:
16.1s
Cost:
$0.012032
Provider:
Google AI Studio

Model input

System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<codex> <character id="4412" name="Aurora Carter" aliases="Rory, Laila, Aurora, Carter, Malphora" pronouns="she/her" species="Human" storyRole="Protagonist"> <eyeColor>bright blue</eyeColor> <hair>straight shoulder-length black</hair> <height>5'6"</height> <age>25</age> <scar>small crescent-shaped scar on her left wrist from a childhood accident</scar> <description>Aurora, referred to by her friends as Rory, is cool-headed, intelligent, and known for quick out-of-the-box thinking.</description> <backstory>Born in Cardiff to an Irish barrister father (Brendan Carter) and Welsh teacher mother (Jennifer Carter née Ellis), Rory reluctantly pursued Pre-Law at Cardiff University. She fled to London at the behest of her childhood friend Eva after leaving an abusive ex named Evan. By day, Rory works part-time as a delivery person for Yu-Fei Cheung's Golden Empress restaurant. She lives in a flat above Silas' bar.</backstory> </character> <location id="861" name="The Fae Grove" aliases="Isolde's grove, Richmond grove, the Grove" realm="Earth (Fae-touched)"> <parkLocation>Richmond Park</parkLocation> <standingStones>ancient oak standing stones mark the boundary</standingStones> <timeBehavior>time moves differently — an hour inside can be minutes or days outside</timeBehavior> <flora>wildflowers bloom year-round</flora> <description>A hidden clearing that exists in a pocket between Earth and the Fae realm.</description> </location> <item id="2001" name="Heartstone Pendant" aliases="the pendant, Heartstone" type="Artifact" origin="Dymas"> <gemstoneColor>deep crimson</gemstoneColor> <chainMaterial>silver chain</chainMaterial> <size>roughly the size of a thumbnail</size> <behavior>pulses faintly with warmth when near a Hel portal</behavior> <glow>faint inner glow</glow> <description>Given to Aurora by an unknown benefactor.</description> </item> </codex> Write a fully fleshed out scene of at least 1000 words in the horror genre. A character is alone in a strange, isolated place at night. They came here for a reason, but something feels off from the moment they arrive. The wrongness builds slowly — sounds that shouldn't be there, things that move at the edge of vision, a growing certainty that they are not alone. Build tension through restraint, not through gore. Use the codex entries above as your world reference for the character and setting. Only include the prose of the scene without any markdown or commentary.

Model response

AI
The boundary was marked by five ancient oaks, each one petrified into gray stone, their fossilized bark worn smooth by weather that belonged to another century. Outside the circle, Richmond Park had smelled of autumn damp, rotting bracken, and the far-off, diesel-tinged exhaust of South London. Inside, the season simply ceased to exist. Aurora Carter stepped between the third and fourth stones, ducking her head beneath the low canopy of boughs. The change was instantaneous, like submerging her ears in bathwater. The rumble of the Kingston bypass vanished. The wind dropped out of the world entirely. Beneath the hem of her coat, the grass was plush, vibrant, and spangled with pale wood anemones and wild violets that bloomed without regard for November. She checked the face of her watch. The second hand ticked twice, hitched, and froze. It always did that here; time in the pocket grove was an untethered thing, pooling and stretching at its own whim. A person could lose three days between two breaths if they weren’t paying attention. Rory kept her hand flat against her thigh, fingers brushing the crescent-shaped scar on her left wrist—a white, neat ridge left over from a childhood tumble on the flagstones outside her father’s Cardiff chambers. It was her touchstone. It reminded her of gravity, of consequence, of reality. She had come because of the note tucked into the tip jar back at the Golden Empress. It had been written on heavy vellum in dark ink, specifying midnight at the oak circle. No signature, just the neat script she had come to recognize as the language of debts and dangerous favors. After Evan, after the shattered crockery and the frantic three a.m. train to Paddington with two duffel bags, she had promised herself she would stop running toward trouble. But this wasn’t Evan. This was the stranger who had left the crimson stone on her pillow three weeks ago, the one who seemed to know precisely what she was running from and how little she understood of the city she had fled to. The grove was roughly forty paces across, cradled in a bowl of rising ground. In daylight, even the twilight of the Fae-touched Earth, it carried an iridescent, glass-like beauty. Tonight, the silence had teeth. Rory took three steps into the clearing and stopped. The stillness wasn't the peaceful quiet of an empty wood; it was the suffocating, expectant quiet of an auditorium when the house lights go down. Nothing rustled. There were no crickets, no nightjars, no distant scuffle of the park’s red deer working through the underbrush. Even the air felt thick, charged with the flat, metallic pressure that precedes a lightning strike. A pinprick of heat bloomed against her sternum. Rory reached inside her shearling jacket, hooking two fingers under the fine silver chain. She pulled the Heartstone out from beneath her woolen sweater. Roughly the size of a thumbnail, the faceted crimson gem caught the weak moonlight, its deep red depths stirring with a slow, molten light. It was warm. Not the ambient heat of her body, but an active, feverish throb. Her breath hitched in her throat, clouding faintly before her eyes. The stone only warmed when it came within range of a Hel portal. It was a compass for things that crawled up from the lower dark, things that smelled of brimstone and cold iron. But this was a Fae pocket. Fae magic was silver, airy, cruel in its indifference, but clean. Hel was rot. She turned slowly, her bright blue eyes scanning the perimeter of standing oaks. Nothing. The pale trunks stood sentinel against the darkness, their petrified branches interlaced like skeletal fingers. The white petals of the anemones gleamed in the grass like scattered coins. Then she heard it. It wasn't a footstep. It was a soft, wet sound, like a tongue unstucking itself from the roof of a dry mouth. It had come from somewhere near the fifth stone, just beyond the perimeter where the petrified roots broke the turf. Rory stayed perfectly still. In the Pre-Law seminars back in Wales, her tutor had drilled them on panic: an unsettled mind accepts false premises. You eliminate variables. You observe. She observed the shadows. The moon was three-quarters full, hanging low and milky through the upper mist. Her own shadow stretched out behind her, long and thin. To her left, the shadow cast by the fourth oak was wrong. It wasn't the twisted silhouette of petrified oak boughs; it was a straight, narrow column of blackness that pooled outward, pooling wider than the trunk that should have thrown it. As she stared at it, the shadow shifted. It didn't move as if blown by wind. It dilated, pulsing once like a lung taking air, before shrinking back into the wood. The pendant pulsed again, hotter now, stinging the skin over her breastbone through the fabric of her shirt. Rory let it drop back beneath her coat. The heat remained, a heavy, dull coal against her ribs. "Whoever is there," she said, her voice steady, low, and sharp enough to cut glass, "the gate is five yards behind me. If you’re waiting to be polite, don’t bother." The grove did not echo her words. The air swallowed them instantly, deadening the sound into a flat murmur. A click answered her. It was subtle, dry, like two stones being tapped together underwater. It came from her right. She whipped her head around, her straight black hair cutting across her cheek. The space between the second and third stones was empty. The grass was undisturbed. But the wildflowers—the delicate, winterless violets—were flattened in a neat, continuous line that led toward the center of the clearing. It wasn't a trail of footprints; it was a depression, five inches wide, as if a heavy, flexible cable had been dragged through the dirt. The track ended four feet from where she stood. Rory took a measured step backward. The heel of her boot sank into the turf with a soft squelch. Another click. This time, it sounded from above her. She didn't look up immediately. Every animal instinct screamed at her to run, to bolt through the gap between the third and fourth stones and spill back out into the mundane, smog-thick safety of Richmond Park. But she knew the architecture of this place. The threshold was fickle. If you entered with intention, the passage was clean; if you ran in terror, the space between the stones could swallow you into an endless fold of dead earth. Slowly, carefully, she tipped her chin toward the canopy. The boughs were bare stone, tangled like barbed wire against the gray sky. There were no leaves, no nests. There was only a knot. A dark, swollen mass wedged into the crook where two massive stone limbs met. It looked like an burl on the wood, except that it had no grain. It was matte black, absorbing the moonlight rather than reflecting it, and its edges were soft, vibrating with a high-frequency tremor that made the back of her molars ache. As she watched, two small slits parted in the mass. They weren't eyes. They were horizontal vents, pale pink and wet inside, parting to draw in the dead air of the clearing. When the air passed through them, they produced that faint, wet click. A draft of freezing, metallic air washed down over her face, carrying the scent of copper and old pond water. The pendant against her chest flared with sudden, searing heat, hot enough that she gasped and clamped her hand over it, feeling the blistering pulse through the heavy wool of her coat. The thing in the tree didn't drop. It simply ceased to be in the crook of the branches, and reappeared three feet lower, suspended between the limbs without anything supporting it, as if gravity were merely a suggestion it chose to ignore. The vents flared wide. Rory didn't scream. She didn't have the breath for it. Her mind clicked through the options with cold, rapid-fire detachment: forty feet to the stones, time distorted, the path behind her already narrowing as the pocket began to shift. The thing was between her and the canopy, but the dragging track in the grass—that had been made by something else. Something below. She shifted her gaze down, just an inch. The shadow at her feet wasn't hers anymore. It was too long, with fingers that splayed out into multiple, segmented joints, stretching forward until the tip of its silhouette touched the toe of her left boot. The temperature in the clearing plunged toward freezing. Rory drew her hand away from her chest, her fingers curling tight around the cold brass of the heavy delivery flashlight in her pocket. She set her boots into the turf, fixed her eyes on the narrow gap between the fossilized oaks, and prepared to move.
created_at"2026-09-02T16:55:58.743Z" 9/2/2026, 4:55:58 PM
model"google/gemini-3.8-flash-20260902"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1595
moderation_latency(null)
generation_time16077
tokens_prompt792
tokens_completion2755
native_tokens_prompt773
native_tokens_completion3054
native_tokens_completion_images0
native_tokens_reasoning1134
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"STOP"
service_tier"default"
usage0.01203225
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788368158-5WH4tvyvLBkcObhTsXe8"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788368158-s8fME6KUZFug75GxQkEa"
upstream_id"HlWYasCSMsfn_uMPnaGWoQ0"
provider_responses
0
endpoint_id"d376f781-516d-42f9-936d-46f19abca6cc"
id"HlWYasCSMsfn_uMPnaGWoQ0"
is_byokfalse
latency1593
model_permaslug"google/gemini-3.8-flash-20260902"
provider_name"Google AI Studio"
status200
total_cost0.01203225
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags1
adverbTagCount0
adverbTags(empty)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
83.19% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1487
totalAiIsmAdverbs5
found
0
adverb"precisely"
count1
1
adverb"slowly"
count2
2
adverb"perfectly"
count1
3
adverb"carefully"
count1
highlights
0"precisely"
1"slowly"
2"perfectly"
3"carefully"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
49.56% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1487
totalAiIsms15
found
0
word"tinged"
count1
1
word"shattered"
count1
2
word"silence"
count1
3
word"charged"
count1
4
word"depths"
count1
5
word"throb"
count1
6
word"scanning"
count1
7
word"sentinel"
count1
8
word"unsettled"
count1
9
word"variables"
count1
10
word"pulsed"
count1
11
word"echo"
count1
12
word"measured"
count1
13
word"searing"
count1
14
word"pulse"
count1
highlights
0"tinged"
1"shattered"
2"silence"
3"charged"
4"depths"
5"throb"
6"scanning"
7"sentinel"
8"unsettled"
9"variables"
10"pulsed"
11"echo"
12"measured"
13"searing"
14"pulse"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells1
narrationSentences113
matches
0"n in terror"
92.29% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount2
narrationSentences113
filterMatches
0"watch"
1"observe"
hedgeMatches
0"seemed to"
1"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences113
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen40
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1483
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions2
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions33
wordCount1465
uniqueNames20
maxNameDensity0.55
worstName"Rory"
maxWindowNameDensity1
worstWindowName"Evan"
discoveredNames
Richmond2
Park2
South1
London1
Carter1
Kingston1
November1
Cardiff1
Golden1
Empress1
Evan2
Paddington1
Fae-touched1
Earth1
Heartstone1
Hel2
Fae3
Pre-Law1
Wales1
Rory8
persons
0"Carter"
1"Evan"
2"Rory"
places
0"Richmond"
1"Park"
2"South"
3"London"
4"Kingston"
5"Cardiff"
6"Golden"
7"Paddington"
8"Wales"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences89
glossingSentenceCount1
matches
0"looked like an burl on the wood, except t"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.674
wordCount1483
matches
0"Not the ambient heat of her body, but an active, feverish throb"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences113
matches
0"did that here"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs43
mean34.49
std27.73
cv0.804
sampleLengths
053
169
297
3124
429
55
670
78
848
915
1065
1113
1229
134
1442
1529
164
1765
188
1923
2036
2130
2219
2320
2472
259
2619
279
2877
299
3019
3162
3210
3334
3420
3532
3646
3760
382
398
4036
418
4246
86.63% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences113
matches
0"was marked"
1"been written"
2"being tapped"
3"were flattened"
4"been dragged"
5"been made"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs239
matches
0"was running"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount5
flaggedSentences8
totalSentences113
ratio0.071
matches
0"It always did that here; time in the pocket grove was an untethered thing, pooling and stretching at its own whim."
1"Rory kept her hand flat against her thigh, fingers brushing the crescent-shaped scar on her left wrist—a white, neat ridge left over from a childhood tumble on the flagstones outside her father’s Cardiff chambers."
2"The stillness wasn't the peaceful quiet of an empty wood; it was the suffocating, expectant quiet of an auditorium when the house lights go down."
3"It wasn't the twisted silhouette of petrified oak boughs; it was a straight, narrow column of blackness that pooled outward, pooling wider than the trunk that should have thrown it."
4"But the wildflowers—the delicate, winterless violets—were flattened in a neat, continuous line that led toward the center of the clearing."
5"It wasn't a trail of footprints; it was a depression, five inches wide, as if a heavy, flexible cable had been dragged through the dirt."
6"If you entered with intention, the passage was clean; if you ran in terror, the space between the stones could swallow you into an endless fold of dead earth."
7"The thing was between her and the canopy, but the dragging track in the grass—that had been made by something else."
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1478
adjectiveStacks2
stackExamples
0"far-off, diesel-tinged exhaust"
1"mundane, smog-thick safety"
adverbCount45
adverbRatio0.030446549391069014
lyAdverbCount16
lyAdverbRatio0.010825439783491205
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences113
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences113
mean13.12
std8.68
cv0.661
sampleLengths
026
120
27
318
410
57
68
726
87
98
1021
1114
1234
134
149
1517
1616
1719
1811
1917
204
2140
2214
2315
245
259
2625
272
2818
2916
308
3114
3210
3324
343
3512
3611
3713
3821
396
4011
413
4213
431
4415
4513
464
474
4818
4920
39.82% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats15
diversityRatio0.3185840707964602
totalSentences113
uniqueOpeners36
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences108
matches
0"Even the air felt thick,"
1"Roughly the size of a"
2"Then she heard it."
3"Slowly, carefully, she tipped her"
ratio0.037
86.67% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount36
totalSentences108
matches
0"She checked the face of"
1"It always did that here;"
2"It was her touchstone."
3"It reminded her of gravity,"
4"She had come because of"
5"It had been written on"
6"She pulled the Heartstone out"
7"It was warm."
8"Her breath hitched in her"
9"It was a compass for"
10"She turned slowly, her bright"
11"It wasn't a footstep."
12"It was a soft, wet"
13"It had come from somewhere"
14"You eliminate variables."
15"She observed the shadows."
16"Her own shadow stretched out"
17"It wasn't the twisted silhouette"
18"It didn't move as if"
19"It dilated, pulsing once like"
ratio0.333
75.74% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount83
totalSentences108
matches
0"The boundary was marked by"
1"Aurora Carter stepped between the"
2"The change was instantaneous, like"
3"The rumble of the Kingston"
4"The wind dropped out of"
5"She checked the face of"
6"The second hand ticked twice,"
7"It always did that here;"
8"A person could lose three"
9"Rory kept her hand flat"
10"It was her touchstone."
11"It reminded her of gravity,"
12"She had come because of"
13"It had been written on"
14"This was the stranger who"
15"The grove was roughly forty"
16"Tonight, the silence had teeth."
17"Rory took three steps into"
18"The stillness wasn't the peaceful"
19"A pinprick of heat bloomed"
ratio0.769
92.59% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences108
matches
0"To her left, the shadow"
1"If you entered with intention,"
ratio0.019
53.57% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences64
technicalSentenceCount8
matches
0"This was the stranger who had left the crimson stone on her pillow three weeks ago, the one who seemed to know precisely what she was running from and how littl…"
1"Even the air felt thick, charged with the flat, metallic pressure that precedes a lightning strike."
2"It wasn't the twisted silhouette of petrified oak boughs; it was a straight, narrow column of blackness that pooled outward, pooling wider than the trunk that s…"
3"But the wildflowers—the delicate, winterless violets—were flattened in a neat, continuous line that led toward the center of the clearing."
4"It wasn't a trail of footprints; it was a depression, five inches wide, as if a heavy, flexible cable had been dragged through the dirt."
5"It was matte black, absorbing the moonlight rather than reflecting it, and its edges were soft, vibrating with a high-frequency tremor that made the back of her…"
6"It simply ceased to be in the crook of the branches, and reappeared three feet lower, suspended between the limbs without anything supporting it, as if gravity …"
7"It was too long, with fingers that splayed out into multiple, segmented joints, stretching forward until the tip of its silhouette touched the toe of her left b…"
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount1
matches
0"she said, her voice steady, low, and sharp enough to cut glass,"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
84.9355%